40448520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{2293}}^1$

素因数の和:2324

約数の個数: 144

約数和(自身を含む): 152986860

約数和(自身を除く): 112538340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2293, 2520, 2940, 3528, 4410, 4586, 5880, 6879, 8820, 9172, 11465, 13758, 16051, 17640, 18344, 20637, 22930, 27516, 32102, 34395, 41274, 45860, 48153, 55032, 64204, 68790, 80255, 82548, 91720, 96306, 103185, 112357, 128408, 137580, 144459, 160510, 165096, 192612, 206370, 224714, 240765, 275160, 288918, 321020, 337071, 385224, 412740, 449428, 481530, 561785, 577836, 642040, 674142, 722295, 825480, 898856, 963060, 1011213, 1123570, 1155672, 1348284, 1444590, 1685355, 1926120, 2022426, 2247140, 2696568, 2889180, 3370710, 4044852, 4494280, 5056065, 5778360, 6741420, 8089704, 10112130, 13482840, 20224260, 40448520]

約数ペア:

[(1, 40448520), (2, 20224260), (3, 13482840), (4, 10112130), (5, 8089704), (6, 6741420), (7, 5778360), (8, 5056065), (9, 4494280), (10, 4044852), (12, 3370710), (14, 2889180), (15, 2696568), (18, 2247140), (20, 2022426), (21, 1926120), (24, 1685355), (28, 1444590), (30, 1348284), (35, 1155672), (36, 1123570), (40, 1011213), (42, 963060), (45, 898856), (49, 825480), (56, 722295), (60, 674142), (63, 642040), (70, 577836), (72, 561785), (84, 481530), (90, 449428), (98, 412740), (105, 385224), (120, 337071), (126, 321020), (140, 288918), (147, 275160), (168, 240765), (180, 224714), (196, 206370), (210, 192612), (245, 165096), (252, 160510), (280, 144459), (294, 137580), (315, 128408), (360, 112357), (392, 103185), (420, 96306), (441, 91720), (490, 82548), (504, 80255), (588, 68790), (630, 64204), (735, 55032), (840, 48153), (882, 45860), (980, 41274), (1176, 34395), (1260, 32102), (1470, 27516), (1764, 22930), (1960, 20637), (2205, 18344), (2293, 17640), (2520, 16051), (2940, 13758), (3528, 11465), (4410, 9172), (4586, 8820), (5880, 6879)]